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Published on: April 18, 2011
Prediction of postoperative gait velocity in cerebral palsy
R M Kay1, S A Rethlefsen, S W Dennis
1Childrens Hospital Los Angeles, 4650 Sunset Boulevard, M/S #69, Los Angeles, CA 90027, USA.
Insights
Younger children with cerebral palsy (CP) may improve gait velocity after surgery, while older children often see no change or a decline. Age is a key predictor of surgical success in CP gait velocity.
Area of Science:
- Orthopedics
- Neurology
- Pediatrics
Background:
- Cerebral palsy (CP) significantly impacts motor function, particularly gait.
- Surgical interventions aim to improve gait velocity and functional outcomes in children with CP.
- Predicting surgical success remains a challenge in managing CP gait abnormalities.
Purpose of the Study:
- To identify predictors of surgical outcome in pediatric cerebral palsy patients.
- To evaluate the relationship between preoperative factors and postoperative gait velocity.
- To determine the influence of age on gait velocity changes following surgery.
Main Methods:
- Retrospective review of gait analyses for 47 pediatric patients with cerebral palsy.
- Preoperative and postoperative gait velocities were measured and compared.
- Correlation analysis was performed to identify predictors of surgical outcome.
Main Results:
- Higher preoperative gait velocity and younger age predicted higher postoperative velocity.
- Older children (over 12 years) showed no significant gait velocity improvement, with some experiencing decline.
- Younger children demonstrated an increase in gait velocity towards age-normal values.
- Diagnosis, surgery type, procedure count, and preoperative ambulation level were not predictive.
Conclusions:
- Gait velocity improvement after surgery is age-dependent in children with cerebral palsy.
- Surgical interventions may be less effective for increasing gait velocity in older adolescents with CP.
- Age is a critical factor to consider when setting expectations for surgical outcomes in CP gait rehabilitation.
Abstract:
Preoperative and postoperative gait analyses were reviewed for 47 patients with cerebral palsy in an attempt to ascertain predictors of surgical outcome as measured by gait velocity. Higher postoperative velocity correlated with higher preoperative velocity and younger age. Observed velocities in older children were smaller than predicted values. Older children showed either an average decline in velocity from normal for age or no change. Younger children showed an average increase in velocity toward normal for their age. Diagnosis, type of surgery, number of procedures performed and level of ambulation preoperatively were not predictive of postoperative velocity. These results suggests that gait velocity cannot be reliably increased in all children with cerebral palsy undergoing surgery, especially those older than age 12.
